Stanchion.



R. F. RASMU'SSEN.

STANCHION.

APPLICATION FILED FEB. no. 1916.

Patented July 18, 1916.

K ATTU RNE Y5 ROBEB'JFF. RASMUSSEN, 0F OSHKOSH, WISCONSIN, ASSIGNOR TO C. A. LIBIBEY COMPANY, OF OSHKOSH, WISCONSIN, A CORPORATION OF WISCONSIN.

ST ANCHION.

Specificatioers Patent. Patented July 18, 1916.

Application filed February 10, 1916. Serial No. 77,871.

To all whom it may concern:

Be it known that I, ROBERT F. RASMUS- SEN, a citizen of the United States, and resident of Oshkosh, in the county of Winnebago and State of Wisconsin, have invented new and useful Improvements in Stanchions, of which the following is a description, reference being had to the accompanying drawings, which are a part of this specification. I

The invention relates to stanchions.

The invention designs more particularly to provide a means for guiding and controlling the movement of the side or neck bar of a stanchion so that it may be readily moved to open or closed position and easily locked to the other parts of the stanchion.

Heretofore connections between the movable side banof the stanchion and one or more of the transverse members thereof have been made in which asingle lead or guide cooperating with the locking means is connected to themovable side bar and slidably mounted in one of the transverse members,

but when the stanchion is closed this lead projects beyond the end of the transverse member. The extension of this lead beyond the stanchion frame when the stanchion is in closed position has been found objectionable and to obviate thisdifficulty I have devised a lead or guide for, the side bar consisting of a plurality of-co-acting members so connected together that they form an extensible guide when the side bar is in open position, but close up together when the side bar is in closed position and do not, under this condition, project beyond the stanchion frame. I

The invention further designs to provide a means for locking the sid e or neck bar in closed position which means is practically cow-proof.

The invention further designs toprovide a means for operating the side bar locking means which operating -means also cooperates withone of he stall standards ad acent the stanchiom to permit said side bar to be disposed between the standard and the stanchion to prevent the animal entering its head between said standard and stanchion.

The invention further designs to provide a'new and improved form 0f,sta 1 chion,'

.line 6- 6 of Fig. 4; Fig. 7 is a section taken on line 77 of Fig. 2; Fig. 8 is a section taken on line 8-8 of Fig. 2; Fig. 9 is an enlarged detail view of the connection between the guide' and the side bar shown in Fig. 3.

The invention is shown applied to a stanchion consisting of a pair of side frame members 9 and 10, the lower portions 11 and 12 of which are inclined inwardly and pivotally connected together by a 'bolt 13 and a transverse frame member 14- secured to the upper end of the member 9 and connected to the member 10. The stanchion is connected at its upper'portion by a swivel chain connection 16 with the transverse stall frame member 15 which is supported'by the division standards 17 of the stall frame and the lower end of the stanchion is connected to the floor of the stall by a flexible connection 18.

Though'I have shown the invention applied to a stanchion of the type described, it may be modified without departing from the scope of the invention for use on stanchions in which the sidebars are not directly connected together, but to upper and lower' tramverse members.

The invention consists m themeans for operatlvely connecting the movable side bar of the stanchion to one of the relatively The means for operatlvely connecting the. movable side bar of the stanchion to one of 'the relatively fixed members, for the purpose previously described, comprises a.plu-

tending arcuate slot 25 in said web 22 and a stop lug- 26 at its end 27. The guide 20 consists of a pair of spaced apart slightly arcuate channel bars 28 which fit in opposite channels of the I-bar, above described, the transverse portions 29 of said channel bars slidably engaging the portion 21 of the I-bar and the web portions"30 slidably en gaging opposite side of the web portion 22 of the I-bar. The ends 31 of the channel bars 28 are connected together by a pin 32 which passes through the arcuate slot 25 in the I-bar or guide 19.

The means for slidably mounting. the guides 19 and 20in the member 14 consists of a bore 33 formed by the parts 34 constituting said member. I These parts 34 are arcuate channel members oppositely disposed and connected together by bolts 35 which pass through extensions 36, 37 and 38 on said members. The extensions 36, connected together by the bolts 35, serve to secure the bar 9 to said member 14. The extensions 37, connected together by a bolt 35, serve to secure the upper fastening means to the stanchion frame. The oppositely disposed channel members 34, thus connected together, form a bore or closed channel 33 for receiving the guides 19 and 20 and inwardly projecting stop lugs 39 are provided on said members 34 which extend into the channels of the I-bar or guide 19 and are adapted to contact with the end web 23 of said I-bar to limit the movement thereof with respect to the member 14, (Figs. 2 and 7).

The means for connecting the guide 20 to the movable neck bar 10 comprises means for connecting the ends of the channel bars 28 together and to said bar. Each of the chanel bars 28 has eyed ends 40 and 41 which overlap one another, as shown in Figs. 3- and 4, and with shoulders 42 which abut each other to space said channel bars apart. A pin 43 is secured to the movable bar 10 by a'bolt 44 which pin is provided with a shoulder 45 and passes up through the eyed ends 40. j j

From the description of the member 14 and guides 19 and 20, it will be noted that the guide 20 consists of members slidably mounted within the guide 19 and the guide 19 consists of a member slidably mounted within the member 14 and T preferably make the guides 19 and 20 of a length substantially equal to the length of the memsaid latches toward each other.

ber 14 so that when the guides are telescoped into the member 14 they will not project beyond it, Fig. 4.

The means for locking the movable side bar 10 to the relatively fixed parts of the stanchion comprises a pair of independently operating latches 46, means on the member 14 for locking engagement with said latches and means for operating said latches. The latches 46 each consist of a portion 47 having a slot 48 therein, spaced apart eyed extensions 49 and 49 for pivotally mounting said latch upon the pin 43, a handle portion 50 and pockets 51. The eyed extensions are spaced apart by the eyed ends 40 of the bars 28 and are mounted upon the pin 43 and superimposed upon one another as shown in Figs. 2, 3 and 5. The lower eyed extension 49 of one of the latches 46 may bear upon the shoulder 45 of the pin 43. A washer 52 fits upon the uppermost eyed extension 49 and over the pin 43, the pin being flattened on two of its sides as shown in Fig. 5, to prevent the turning of the washer and said washer is provided with a depending tongue 53 which is adapted to be engaged on either side by the latches 46 and which serves to limit the inward movement of the handles 50. The washer and the eyed ends 40, 49 and 49' are held on the pin by a nut 52'.

The means on the members 14for locking engagement with the latches 46 consists of lugs 54 having beveled sides 55 on the sides of the members 34, the sides of the latches adjacent the slots 48 therein being adapted to engage said lugs and be held thereby against lateral and vertical movement.

The means for operating the latches 46 comprises the handles 50, forming parts thereof as previously described, and a spring 56 whose ends are seated in the pockets 5]. adjacent the handle and which spring normally presses the portions 47 of The handles 50 extend outwardly and diverge from each other so that when the movable stanchion bar is brought to open position, shown in dotted lines in Fig. 1, the handles 50 will engage and rest against opposite sides of one standard 17 thereby preventing the animal from entering its head between the stanchion and the standard and the movable bar 10 forms a guard which, with the standard and the handles 50, accomplishes this purose.

The operation of the stanchion is as follows :-Assuming the stanchion is in closed position, as shown in Figs. 1 and 4, the operator, by grasping the handles 50 of the latches 46 and pressing them inwardly toward each other against the action of the spring 56 releases them from looking engagement with the lugs 54. Then the operator, still holding the handles, pulls the movable bar 10 away from the relatively fixed parts of the stanchion and in doing this the guide 20 slides along in the guide 19 until the pin 32, sliding in the slot 25in the guide 20, strikes the portion of the web 22 at the end of said slot after which the guide 20 slides along in the-bore 33 until the end web 23 strikes the lugs 39 extending into the bore and thus prevents further movement of guides. When this occurs the movable stanchion bar 10 has come to its open position, as shown in Fig. 3, and the handles 50 of the lock are brought up against the standard 17 as previously described. When it is desired to bring the stanchion to closed position, the bar 10 is pushed inwardly, the guide 20 telescoping within the guide 19 and the guide 19 telescoping within the bore 33, the lug 26 on the guide 20 preventing said guides 19 and 20 from moving inwardly beyond the member 14. On the inward movement of the guides, the portion 47 of the latches 4L6 rides up on the beveled sides 55 of the lugs 54 until the lugs 54 register with the slots 48 in said latches and then the spring 56 moves the latches down against opposite sides of the member 14, securely locking the movable side bar 10' in closed position. It will be noted that in order for the latches 46 to be released from looking engagement with the lugs 5-1 that both latches must be moved outwardly and simply moving one latch outwardly would not permit of unlocking the stanchion.

Thus, while it might be possible for a short horn cow topress against .one of these latches, it would be practically impossible for her to press against both' and hold them outwardly against locking engagement so that the construction results in practically a cow-proof lock.

Though I have stated that first the guide 20 and then the guide 19 slides outwardly with the outward movement of'the stanchion bar 10, undersome conditions the guide 19, carrying the guide 20 therein may move outwardly from the member 14'before the guide 20 starts to move, or one may move for a portion of its length and the other move for a portion of its length, but in any event the guides 19 and 20 will be mom; out of the bore 33 and the guide 20 will form a continuation or extension of the guide 19 when the stanchioh is in its fully opened position. These guides 19 and 20 serve to keep the movable bar 10 in proper alinement with the fixed parts of the stanchion so that said bar may be readlatches engaging opposite sides of one'of the fixed parts which can only be released by releasing both latches, and which are so dis-. posed that they may be simultaneously operated. i

What I claim as my invention is 1. In a stanchion, the combination of a hollow top bar and a movable side bar, extensible guides connected to the side bar and forming supports therefor, said guides being slidably mounted within said top bar, means for limiting the movement of said extensible guides, and means for locking the side bar to the top bar to close the stanchion.

2. In a stanchion, the combination, with a hollow top bar and a movable side bar, of extensible telescoping guides slidably mounted within 'said top bar operatively connected with said bars, means for limiting the movement of said extensible guides, and means for locking the side bar to the top bar to close the stanchion.

3. In a stanchion, the combination, with a hollow top bar and a movable side bar, of a pair of extensible telescoping guides, one of said guides having a groove and a longitudinally extending slot. the other of said guides telescoping within the groove and carrying a pin mounted in said slot to limit the movement of said guides with respect to each other, means connected to the top bar for engaging the first named guide to its head between the standard and the stanchion.

5. In a stanchion, the combination,-with a transverse. member=ofthe stanchion and a movable side bar, of means for automatically locking said bar to said member, and means for guidi g said bar into position comprising a gui e slidably mounted within said transverse member and extending thenlength thereo another guide slidably mounted within said first named guide and extendingthe length thereof and connected to said bar.

6. In a stanchion, the combination, with a transverse member of the stanchion and a movable side bar, of means for automatically locking said bar to said member, and

means for guiding said bar into looking no sition comprising an I-oar slidably mounted within said transverse member, means for limiting the inward and outward movement of said I-bar, a pair of channel bars slidably mounted within said I-bar and on opposite sides thereof, means for limiting the outward and inward movement of sai channel bars with respect to said I-bar, said channel bars being connected to said movable side bar.

means for automatically locking said side bar LEQLQQQ to said top bar, and means for guiding said side bar into position comprising a guide slidably mounted within the hollow of the top bar, means for limiting the movement of said guide with respect to said top bar, another guide slidably mounted on said first named guide and connected to said side bar, and means for limiting the movement of the second guide with respect to the first guide.

In testimony whereof I alfix my signature.

RQBERT F. RASMU$$EN. 

